12 Volt rotor for small portable antennas

Discussion in 'Amateur Radio News' started by KK6USY, Feb 24, 2021.

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  1. KK6USY

    KK6USY Ham Member QRZ Page

    When I was out camping I set up a 2m Yagi to get onto a net and it was setup behind my box trasiler. While turning the sound up and running back and forth to tune the station running the net I thought there had to ba better way to do this like I did at my home QTH. A friend built a similar rotor and on my second video I came up with a really easy way to build it. I hope you enjoy the video and it can be of help to you.

     
    KF0BMD, WW5HAM, EA5INF and 21 others like this.
  2. W9WQA

    W9WQA Ham Member QRZ Page

    now you got me thinking. i like fabricating stuff. wanted to do azmuth/elevation.
    thinking of windshield wiper and door window motors for more power huh.
    i just happen to have some junk...
     
    KI5DNS, W4THC, AK5B and 1 other person like this.
  3. KI4POT

    KI4POT Ham Member QRZ Page

    Great video.

    Is there any way to put a limiter on there to prevent it from rotating 360deg?

    Chris
     
    KK6USY likes this.
  4. KK4NSF

    KK4NSF Ham Member QRZ Page

    I used a small 12v gearmotor on mine.... and a DPDT switch to reverse the motion. It was cheap from Grainger, and has lasted five or six years with no problems.
     
    KI5DNS, KK6USY and AK5B like this.
  5. KK6USY

    KK6USY Ham Member QRZ Page

    I'm sure there is a simple way to do that Chris. When I have some free time I'm going to look into it.
     
    KI5DNS and KI4POT like this.
  6. W9WQA

    W9WQA Ham Member QRZ Page

    359, just add a screw so it hits it...

    and these are gear motors, save junk...!windshield wiper and door window motors
     
    KK6USY likes this.
  7. K0DHO

    K0DHO Ham Member QRZ Page

    This is very neat. What size PVC compression coupling pipe is that? Am guessing the one and a half inch version. Your Amazon link is defaulting to a one inch version.

    Note to all: Cannot see it in the embedded video, but if watching the un-embedded version, original poster has placed bill of materials list in the video description. Link to unembedded version of video: www.youtube.com/watch?v=QvWvsNbghxM
     
    KI5DNS and KK6USY like this.
  8. KX4M

    KX4M Premium Subscriber QRZ Page

    This is really great - thanks for sharing this project!
     
    KI5DNS and KK6USY like this.
  9. WA5KM

    WA5KM Ham Member QRZ Page

    I call it a rotator. Are all the existing units not 12V or 24V ? Cant waste data to watch a video.
     
    WA4BOZ and KK6USY like this.
  10. KK6USY

    KK6USY Ham Member QRZ Page

    Thanks for the post I used 1".
     

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